Annual report pursuant to Section 13 and 15(d)

Intangible Assets Subject to Amortization (Detail)

v3.3.1.900
Intangible Assets Subject to Amortization (Detail) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 52,444 $ 43,665
Accumulated Amortization (12,849) (8,881)
Net Carrying Amount 39,595 34,784
Customer Contracts and back log    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 4,822  
Accumulated Amortization (4,481)  
Net Carrying Amount 341  
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 28,901 24,455
Accumulated Amortization (4,488) (2,942)
Net Carrying Amount 24,413 21,513
Favorable lease    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 334 334
Accumulated Amortization (140) (64)
Net Carrying Amount 194 270
Non- compete agreement    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 1,113 740
Accumulated Amortization (369) (151)
Net Carrying Amount 744 589
Patents    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 268 268
Accumulated Amortization (177) (153)
Net Carrying Amount 91 115
Product certification    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 72 61
Accumulated Amortization (62) (57)
Net Carrying Amount 10 4
Technology    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 1,953 1,953
Accumulated Amortization (248) (196)
Net Carrying Amount 1,705 1,757
Trade Names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 14,981 11,358
Accumulated Amortization (2,884) (1,280)
Net Carrying Amount $ 12,097 10,078
Customer Contracts    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount   4,496
Accumulated Amortization   (4,038)
Net Carrying Amount   $ 458